eddyNCDT 3700 - Single or Dual-channel

Measuring Range: 1 - 6mm
Output: 0 - 10V / 10mA and 4 - 20mA
Resolution: 0.000018% FSO
Linearity: ± 5 % FSO
Frequency Response: 10 kHz

Non-contact displacement sensors, series NCDT 3700 are based on the eddy current principle and are used for measurements against electrically conductive, non-ferromagnetic materials. A high frequency alternating current is fed through a coil embedded in a sensor housing. The electromagnetic field from the coil induces eddy currents in the conductive target. As a consequence, the alternating current resistance of the coil changes. This change of impedance produces an electrical signal proportional to the distance of the target to the sensor.

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